تكلم مع الذكاء الاصطناعي
Deck 2: Charts and Graphs
ملء الشاشة (f)
سؤال
سؤال
سؤال
سؤال
Consider the following frequency distribution:
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
سؤال
Consider the following frequency distribution: 
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
سؤال
سؤال
Consider the relative frequency distribution given below:
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
سؤال
Consider the following frequency distribution:
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
سؤال
سؤال
Consider the following frequency distribution:
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
سؤال
Consider the following frequency distribution:
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
سؤال
Consider the relative frequency distribution given below: 
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
سؤال
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: 
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
سؤال
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
سؤال
سؤال
Consider the relative frequency distribution given below: 
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
سؤال
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: 
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
سؤال
Consider the following frequency distribution: 
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
سؤال
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
سؤال
Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences: 
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29,inclusively,would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29,inclusively,would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
سؤال
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: 
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
سؤال
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: 
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
سؤال
Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences: 
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: 
The percentage of sales transactions on Saturday that were under $100 each was ___.
A)100
B)10
C)80
D)20
E)15
The percentage of sales transactions on Saturday that were under $100 each was ___.A)100
B)10
C)80
D)20
E)15
سؤال
Consider the following stem and leaf plot: 
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: 
The percentage of sales transactions on Saturday that were between $100 and $150 was ___.
A)20%
B)40%
C)60%
D)80%
E)10%
The percentage of sales transactions on Saturday that were between $100 and $150 was ___.A)20%
B)40%
C)60%
D)80%
E)10%
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows: 
On Friday,the approximate number of sales transactions in the 125-under 150 category was ___.
A)50
B)100
C)150
D)200
E)85
On Friday,the approximate number of sales transactions in the 125-under 150 category was ___.A)50
B)100
C)150
D)200
E)85
سؤال
Consider the following frequency distribution:
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: 
The total number of sales transactions on Saturday was ___.
A)200
B)500
C)300
D)100
E)400
The total number of sales transactions on Saturday was ___.A)200
B)500
C)300
D)100
E)400
سؤال
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts: Which of the following may be a false statement?
A)Sales revenues declined at company C.
B)Only company C lost market share.
C)Company A gained market share.
D)Company B gained market share.
E)Both Company A and Company B gained market share.
A)Sales revenues declined at company C.
B)Only company C lost market share.
C)Company A gained market share.
D)Company B gained market share.
E)Both Company A and Company B gained market share.
سؤال
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. 
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
سؤال
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. 
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
سؤال
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled.
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
سؤال
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
سؤال
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000. 
Company B's sales in 1999 were ___.
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
Company B's sales in 1999 were ___.A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
سؤال
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
سؤال
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
سؤال
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: 
The percentage of sales transactions on Saturday that were at least $100 each was ___.
A)100%
B)10%
C)80%
D)20%
E)15%
The percentage of sales transactions on Saturday that were at least $100 each was ___.A)100%
B)10%
C)80%
D)20%
E)15%
سؤال
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts: 
Which of the following is true?
A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.
Which of the following is true?A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.
سؤال
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
سؤال
سؤال
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.Company C's sales in 2000 were ___.
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
سؤال
The following graphic of residential housing data (selling price and size in square feet)is a ___. 
A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution
A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution
سؤال
According to the following graphic the most common cause of PCB Failures is a ___. 
A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part
A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part
سؤال
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows: 
On Friday,the approximate number of sales transactions between $100 and $150 was ___.
A)100
B)200
C)300
D)400
E)500
On Friday,the approximate number of sales transactions between $100 and $150 was ___.A)100
B)200
C)300
D)400
E)500
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. 
The percentage of walk-in customers waiting one minute or less was ___.
A)22%
B)11%
C)67%
D)10%
E)5%
The percentage of walk-in customers waiting one minute or less was ___.A)22%
B)11%
C)67%
D)10%
E)5%
سؤال
The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003. 
Approximately ___ corporations had capitalizations of $200,000,000 or less.
A)50
B)100
C)700
D)800
E)900
Approximately ___ corporations had capitalizations of $200,000,000 or less.A)50
B)100
C)700
D)800
E)900
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. 
The total number of walk-in customers included in the study was ___.
A)100
B)250
C)300
D)450
E)500
The total number of walk-in customers included in the study was ___.A)100
B)250
C)300
D)450
E)500
سؤال
The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003. 
Approximately ___ corporations had capitalization exceeding $200,000,000.
A)50
B)100
C)700
D)800
E)890
Approximately ___ corporations had capitalization exceeding $200,000,000.A)50
B)100
C)700
D)800
E)890
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. 
Approximately ___ walk-in customers waited less than 2 minutes.
A)20
B)30
C)100
D)180
E)200
Approximately ___ walk-in customers waited less than 2 minutes.A)20
B)30
C)100
D)180
E)200
سؤال
The following graphic of residential housing data (selling price and size in square feet)indicates ___. 
A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables
A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables
سؤال
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. 
The percentage of walk-in customers waiting between 1 and 6 minutes was ___.
A)22%
B)11%
C)37%
D)10%
E)67%
The percentage of walk-in customers waiting between 1 and 6 minutes was ___.A)22%
B)11%
C)37%
D)10%
E)67%
سؤال
According to the following graphic,"Bent Pins" account for ___% of PCB Failures. 
A)10
B)20
C)30
D)40
E)50
A)10
B)20
C)30
D)40
E)50
سؤال
The following graphic of PCB Failures is a ___. 
A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram
A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. 
Approximately ___ walk-in customers waited at least 7 minutes.
A)20
B)30
C)100
D)180
E)200
Approximately ___ walk-in customers waited at least 7 minutes.A)20
B)30
C)100
D)180
E)200
سؤال
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. 
The percentage of walk-in customers waiting more than 6 minutes was ___.
A)22%
B)11%
C)67%
D)10%
E)75%
The percentage of walk-in customers waiting more than 6 minutes was ___.A)22%
B)11%
C)67%
D)10%
E)75%
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ملء الشاشة (f)
Deck 2: Charts and Graphs
1
Describe and construct different types of quantitative data graphs,including histograms,frequency polygons,ogives,and stem and leaf plots.Explain when these graphs should be used.
Two types of graphical depictions are quantitative data graphs and qualitative data graphs.Quantitative data graphs presented in this chapter are histogram,frequency polygon,ogive,and stem and leaf plot.Qualitative data graphs presented are pie chart,bar chart,and Pareto chart.In addition,two-dimensional scatter plots are presented.A histogram is a vertical bar chart in which a line segment connects class endpoints at the value of the frequency.Two vertical lines connect this line segment down to the x-axis,forming a rectangle.A frequency polygon is constructed by plotting a dot at the midpoint of each class interval for the value of each frequency and then connecting the dots.Ogives are cumulative frequency polygons.Points on an ogive are plotted at the class endpoints.Stem and leaf plots are another way to organize data.The numbers are divided into two parts,a stem and a leaf.The stems are the left-most digits of the numbers and the leaves are the right-most digits.The stems are listed individually,with all leaf values corresponding to each stem displayed beside that stem.
2
A summary of data in which raw data are grouped into different intervals and the number of items in each group is listed is called a frequency distribution.
True
3
A cumulative frequency polygon is also called an ogive.
True
4
Consider the following frequency distribution:
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
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5
In a histogram,the tallest bar represents the class with the highest cumulative frequency.
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6
Describe and construct different types of qualitative data graphs,including pie charts,bar charts,and Pareto charts.Explain when these graphs should be used.
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7
A histogram can be described as a type of vertical bar chart.
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8
A cumulative frequency distribution provides a running total of the frequencies in the classes.
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9
One advantage of a stem and leaf plot over a frequency distribution is that the values of the original data are retained.
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10
A graphical representation of a frequency distribution is called a pie chart.
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11
For any given data set,a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.
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12
Explain the difference between grouped and ungrouped data and construct a frequency distribution from a set of data and explain what the distribution represents.
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13
A scatter plot is useful for examining the relationship between two numerical variables.
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14
For a company in gardening supplies business,the best graphical way to show the percentage of a total budget that is spent on each of a number of different expense categories is the stem and leaf plot.
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15
If the individual class frequency is divided by the total frequency,the result is the median frequency.
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16
One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.
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17
A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.
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18
Display and analyze two variables simultaneously using cross tabulation and scatter plots.
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19
A scatter plot shows how the numbers in a data set are scattered around their average.
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20
The difference between the highest number and the lowest number in a set of data is called the differential frequency.
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21
A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 5 classes are used,the class width should be approximately ___.
A)4
B)12
C)8
D)5
E)9
A)4
B)12
C)8
D)5
E)9
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22
Consider the following frequency distribution:
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
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23
A frequency distribution was developed.The lower endpoint of the first class is 9.30,and the midpoint is 9.35.What is the upper endpoint of this class?
A)9.50
B)9.60
C)9.70
D)9.40
E)9.80
A)9.50
B)9.60
C)9.70
D)9.40
E)9.80
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24
Consider the relative frequency distribution given below:
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
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25
Consider the following frequency distribution:
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
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26
A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used,the class width should be approximately ___.
A)5
B)7
C)9
D)11
E)12
A)5
B)7
C)9
D)11
E)12
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27
Consider the following frequency distribution:
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
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28
Consider the following frequency distribution:
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
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29
Consider the relative frequency distribution given below:
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
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30
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
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31
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
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32
The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be ___.
A)less than 27
B)equal to 27
C)next class frequency minus 27
D)27 minus the next class frequency
E)27 plus the next class frequency
A)less than 27
B)equal to 27
C)next class frequency minus 27
D)27 minus the next class frequency
E)27 plus the next class frequency
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33
Consider the relative frequency distribution given below:
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
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34
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed:
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
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35
Consider the following frequency distribution:
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
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36
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
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37
Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences:
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29,inclusively,would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29,inclusively,would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
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k this deck
38
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed:
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
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39
The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed:
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
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40
Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences:
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
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41
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were under $100 each was ___.
A)100
B)10
C)80
D)20
E)15
The percentage of sales transactions on Saturday that were under $100 each was ___.A)100
B)10
C)80
D)20
E)15
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42
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
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43
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were between $100 and $150 was ___.
A)20%
B)40%
C)60%
D)80%
E)10%
The percentage of sales transactions on Saturday that were between $100 and $150 was ___.A)20%
B)40%
C)60%
D)80%
E)10%
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44
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows: On Friday,the approximate number of sales transactions in the 125-under 150 category was ___.
A)50
B)100
C)150
D)200
E)85
On Friday,the approximate number of sales transactions in the 125-under 150 category was ___.A)50
B)100
C)150
D)200
E)85
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45
Consider the following frequency distribution:
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
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46
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The total number of sales transactions on Saturday was ___.
A)200
B)500
C)300
D)100
E)400
The total number of sales transactions on Saturday was ___.A)200
B)500
C)300
D)100
E)400
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k this deck
47
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts: Which of the following may be a false statement?
A)Sales revenues declined at company C.
B)Only company C lost market share.
C)Company A gained market share.
D)Company B gained market share.
E)Both Company A and Company B gained market share.
A)Sales revenues declined at company C.
B)Only company C lost market share.
C)Company A gained market share.
D)Company B gained market share.
E)Both Company A and Company B gained market share.
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48
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled.
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
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k this deck
49
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled.
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
فتح الحزمة
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k this deck
50
Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled.
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
فتح الحزمة
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k this deck
51
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
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52
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000. Company B's sales in 1999 were ___.
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
Company B's sales in 1999 were ___.A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
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53
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
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k this deck
54
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
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k this deck
55
The following represent the ages of students in a class: 19,23,21,19,19,20,22,31,21,20
If a stem and leaf plot were to be developed from this,how many stems would there be?
A)2
B)3
C)4
D)5
E)10
If a stem and leaf plot were to be developed from this,how many stems would there be?
A)2
B)3
C)4
D)5
E)10
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k this deck
56
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were at least $100 each was ___.
A)100%
B)10%
C)80%
D)20%
E)15%
The percentage of sales transactions on Saturday that were at least $100 each was ___.A)100%
B)10%
C)80%
D)20%
E)15%
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57
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts: Which of the following is true?
A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.
Which of the following is true?A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.
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k this deck
58
Consider the following stem and leaf plot:
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
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59
An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e. ,she gives grades of A-,B+,etc. ).Which of the following would provide the most information for the students?
A)a histogram
B)a stem and leaf plot
C)a cumulative frequency distribution
D)a frequency distribution
E)a scatter plot
A)a histogram
B)a stem and leaf plot
C)a cumulative frequency distribution
D)a frequency distribution
E)a scatter plot
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60
The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.Company C's sales in 2000 were ___.
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
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61
The following graphic of residential housing data (selling price and size in square feet)is a ___.
A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution
A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution
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62
According to the following graphic the most common cause of PCB Failures is a ___.
A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part
A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part
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63
Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows: On Friday,the approximate number of sales transactions between $100 and $150 was ___.
A)100
B)200
C)300
D)400
E)500
On Friday,the approximate number of sales transactions between $100 and $150 was ___.A)100
B)200
C)300
D)400
E)500
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64
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting one minute or less was ___.
A)22%
B)11%
C)67%
D)10%
E)5%
The percentage of walk-in customers waiting one minute or less was ___.A)22%
B)11%
C)67%
D)10%
E)5%
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65
The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003. Approximately ___ corporations had capitalizations of $200,000,000 or less.
A)50
B)100
C)700
D)800
E)900
Approximately ___ corporations had capitalizations of $200,000,000 or less.A)50
B)100
C)700
D)800
E)900
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66
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The total number of walk-in customers included in the study was ___.
A)100
B)250
C)300
D)450
E)500
The total number of walk-in customers included in the study was ___.A)100
B)250
C)300
D)450
E)500
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67
The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003. Approximately ___ corporations had capitalization exceeding $200,000,000.
A)50
B)100
C)700
D)800
E)890
Approximately ___ corporations had capitalization exceeding $200,000,000.A)50
B)100
C)700
D)800
E)890
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68
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. Approximately ___ walk-in customers waited less than 2 minutes.
A)20
B)30
C)100
D)180
E)200
Approximately ___ walk-in customers waited less than 2 minutes.A)20
B)30
C)100
D)180
E)200
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69
The following graphic of residential housing data (selling price and size in square feet)indicates ___.
A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables
A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables
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70
The staffs of the accounting and the quality control departments rated their respective supervisor's leadership style as either (1)authoritarian or (2)participatory.Sixty-eight percent of the accounting staff rated their supervisor "authoritarian," and thirty-two percent rated him "participatory." Forty percent of the quality control staff rated their supervisor "authoritarian," and sixty percent rated her "participatory." The best graphic depiction of these data would be two ___.
A)histograms
B)frequency polygons
C)ogives
D)pie charts
E)scatter plots
A)histograms
B)frequency polygons
C)ogives
D)pie charts
E)scatter plots
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71
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting between 1 and 6 minutes was ___.
A)22%
B)11%
C)37%
D)10%
E)67%
The percentage of walk-in customers waiting between 1 and 6 minutes was ___.A)22%
B)11%
C)37%
D)10%
E)67%
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72
According to the following graphic,"Bent Pins" account for ___% of PCB Failures.
A)10
B)20
C)30
D)40
E)50
A)10
B)20
C)30
D)40
E)50
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73
The following graphic of PCB Failures is a ___.
A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram
A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram
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74
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. Approximately ___ walk-in customers waited at least 7 minutes.
A)20
B)30
C)100
D)180
E)200
Approximately ___ walk-in customers waited at least 7 minutes.A)20
B)30
C)100
D)180
E)200
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75
The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ___.
A)22%
B)11%
C)67%
D)10%
E)75%
The percentage of walk-in customers waiting more than 6 minutes was ___.A)22%
B)11%
C)67%
D)10%
E)75%
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